MAX6751KA16+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply and provides an output signal when it falls below or exceeds a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.048V, 2.500V, 3.000V, 3.300V, 4.096V
• Accuracy: ±1%
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6751KA16+T has a standard SOT23-5 package with the following pin configuration:

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Pin Description: 1. GND: Ground 2. IN: Input voltage to be monitored 3. SET: Output signal setting pin 4. RESET: Active-low reset output 5. VCC: Power supply voltage

Functional Features

• Precision voltage monitoring: The MAX6751KA16+T accurately monitors the input voltage and compares it with the set threshold voltage.
• Adjustable threshold voltage: The device offers multiple threshold voltage options, allowing flexibility in different applications.
• Low-power operation: With a quiescent current of only 1µA, the MAX6751KA16+T is suitable for battery-powered devices.
• Active-low reset output: When the input voltage falls below the threshold, the RESET pin goes low, indicating a power failure.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Low power consumption - Adjustable threshold voltage options - Small package size for space-constrained applications

Disadvantages: - Limited number of threshold voltage options - Lack of built-in hysteresis for noise immunity

Working Principles

The MAX6751KA16+T operates by comparing the input voltage with the set threshold voltage. When the input voltage falls below the threshold, the RESET pin goes low, indicating a power failure. The device continuously monitors the voltage level and provides an output signal until the voltage rises above the threshold again.

Detailed Application Field Plans

The MAX6751KA16+T is commonly used in various applications where voltage monitoring is critical. Some potential application fields include:

1. Battery-powered devices: The IC can be used to monitor the battery voltage and provide an early warning when it drops below a certain level.
2. Power supply units: It can be employed to detect power failures or abnormal voltage levels in power supply circuits.
3. Industrial control systems: The device ensures proper voltage levels in control systems, preventing malfunctions or damage due to voltage fluctuations.
4. Automotive electronics: It can be utilized in automotive applications to monitor the vehicle's electrical system and trigger appropriate actions in case of voltage irregularities.

Detailed and Complete Alternative Models

1. MAX6752KA16+T: Similar to MAX6751KA16+T but with additional hysteresis for improved noise immunity.
2. MAX6753KA16+T: Voltage monitor with adjustable threshold voltage and integrated power-on reset functionality.
3. MAX6754KA16+T: Dual voltage monitor with two independent threshold voltage inputs.

These alternative models offer similar functionalities with slight variations to cater to different requirements.

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